<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.w3.org/1999/xhtml">
<head>
    <meta charset="UTF-8">
    <title>hello</title>
</head>
<body>

<h1>
   <span> ${userName} 登录成功！</span>
</h1>
<a href="/logout">退出登录</a>
</body>
</html>